<template>
    <el-row :gutter="20">
        <!--左侧三级分类树-->
        <el-col :span="6">
            <category @tree-node-click="treenodeclick"></category>
        </el-col>
        <!--右侧表格展示某个三级分类的属性分组-->
        <el-col :span="18">
            <div class="mod-config">
                <el-form :inline="true" :model="dataForm" @keyup.enter.native="getDataList()">
                    <el-form-item>
                        <el-input v-model="dataForm.key" placeholder="参数名" clearable></el-input>
                    </el-form-item>
                    <el-form-item>
                        <el-button @click="getDataList()">查询</el-button>
                        <el-button type="success" @click="getAllDataList()">查询全部</el-button>
                        <el-button
                            v-if="isAuth('product:attrgroup:save')"
                            type="primary"
                            @click="addOrUpdateHandle()"
                        >新增
                        </el-button>
                        <el-button
                            v-if="isAuth('product:attrgroup:delete')"
                            type="danger"
                            @click="deleteHandle()"
                            :disabled="dataListSelections.length <= 0"
                        >批量删除
                        </el-button>
                    </el-form-item>
                </el-form>
                <el-table
                    :data="dataList"
                    border
                    v-loading="dataListLoading"
                    @selection-change="selectionChangeHandle"
                    style="width: 100%;"
                >
                    <el-table-column type="selection" header-align="center" align="center" width="50"></el-table-column>
                    <el-table-column prop="attrGroupId" header-align="center" align="center"
                                     label="分组id"></el-table-column>
                    <el-table-column prop="attrGroupName" header-align="center" align="center"
                                     label="组名"></el-table-column>
                    <el-table-column prop="sort" header-align="center" align="center" label="排序"></el-table-column>
                    <el-table-column prop="descript" header-align="center" align="center"
                                     label="描述"></el-table-column>
                    <el-table-column prop="icon" header-align="center" align="center" label="组图标"></el-table-column>
                    <el-table-column prop="catelogId" header-align="center" align="center"
                                     label="所属分类id"></el-table-column>
                    <el-table-column
                        fixed="right"
                        header-align="center"
                        align="center"
                        width="150"
                        label="操作"
                    >
                        <template slot-scope="scope">
                            <el-button type="text" size="small" @click="relationHandle(scope.row.attrGroupId)">关联
                            </el-button>
                            <el-button
                                type="text"
                                size="small"
                                @click="addOrUpdateHandle(scope.row.attrGroupId)"
                            >修改
                            </el-button>
                            <el-button type="text" size="small" @click="deleteHandle(scope.row.attrGroupId)">删除
                            </el-button>
                        </template>
                    </el-table-column>
                </el-table>
                <el-pagination
                    @size-change="sizeChangeHandle"
                    @current-change="currentChangeHandle"
                    :current-page="pageIndex"
                    :page-sizes="[10, 20, 50, 100]"
                    :page-size="pageSize"
                    :total="totalPage"
                    layout="total, sizes, prev, pager, next, jumper"
                ></el-pagination>
                <!-- 弹窗, 新增 / 修改 -->
                <add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate"
                               @refreshDataList="getDataList"></add-or-update>

                <!-- 修改关联关系 -->
                <relation-update v-if="relationVisible" ref="relationUpdate"
                                 @refreshData="getDataList"></relation-update>
            </div>
        </el-col>
    </el-row>
</template>

<script>
/**
 * 父子组件传递数据
 * 1)、子组件给父组件传递数据，事件机制；
 *    子组件给父组件发送一个事件，携带上数据。
 * // this.$emit("事件名",携带的数据...)
 */
//这里可以导入其他文件（比如：组件，工具js，第三方插件js，json文件，图片文件等等）
//例如：import 《组件名称》 from '《组件路径》';
import Category from "../common/category";
import AddOrUpdate from "./attrgroup-add-or-update";
import RelationUpdate from "./attr-group-relation";

export default {
    //import引入的组件需要注入到对象中才能使用
    components: {Category, AddOrUpdate, RelationUpdate},
    props: {},
    data() {
        return {
            catId: 0,
            dataForm: {
                key: ""
            },
            dataList: [],
            pageIndex: 1,
            pageSize: 10,
            totalPage: 0,
            dataListLoading: false,
            dataListSelections: [],
            addOrUpdateVisible: false,
            relationVisible: false
        };
    },
    activated() {
        this.getDataList();
    },
    methods: {
        //处理分组与属性的关联
        relationHandle(groupId) {
            this.relationVisible = true;
            this.$nextTick(() => {
                this.$refs.relationUpdate.init(groupId);
            });
        },
        //感知树节点被点击
        treenodeclick(data, node, component) {
            if (node.level === 3) {
                this.catId = data.catId;
                this.getDataList(); //重新查询
            }
        },
        getAllDataList() {
            this.catId = 0;
            this.getDataList();
        },
        // 获取数据列表
        getDataList() {
            this.dataListLoading = true;
            this.$http({
                url: this.$http.adornUrl(`/product/attrgroup/list/${this.catId}`),
                method: "get",
                params: this.$http.adornParams({
                    page: this.pageIndex,
                    limit: this.pageSize,
                    key: this.dataForm.key
                })
            }).then(({data}) => {
                if (data && data.code === 0) {
                    this.dataList = data.page.list;
                    this.totalPage = data.page.totalCount;
                } else {
                    this.dataList = [];
                    this.totalPage = 0;
                }
                this.dataListLoading = false;
            });
        },
        // 每页数
        sizeChangeHandle(val) {
            this.pageSize = val;
            this.pageIndex = 1;
            this.getDataList();
        },
        // 当前页
        currentChangeHandle(val) {
            this.pageIndex = val;
            this.getDataList();
        },
        // 多选
        selectionChangeHandle(val) {
            this.dataListSelections = val;
        },
        // 新增 / 修改
        addOrUpdateHandle(id) {
            console.log("[attrgroup.vue][addOrUpdateHandle]id: ", id);
            this.addOrUpdateVisible = true;
            this.$nextTick(() => {
                this.$refs.addOrUpdate.init(id);
            });
        },
        // 删除
        deleteHandle(id) {
            var ids = id
                ? [id]
                : this.dataListSelections.map(item => {
                    return item.attrGroupId;
                });
            this.$confirm(
                `确定对[id=${ids.join(",")}]进行[${id ? "删除" : "批量删除"}]操作?`,
                "提示",
                {
                    confirmButtonText: "确定",
                    cancelButtonText: "取消",
                    type: "warning"
                }
            ).then(() => {
                this.$http({
                    url: this.$http.adornUrl("/product/attrgroup/delete"),
                    method: "post",
                    data: this.$http.adornData(ids, false)
                }).then(({data}) => {
                    if (data && data.code === 0) {
                        this.$message({
                            message: "操作成功",
                            type: "success",
                            duration: 1500,
                            onClose: () => {
                                this.getDataList();
                            }
                        });
                    } else {
                        this.$message.error(data.msg);
                    }
                });
            });
        }
    }
};
</script>
<style scoped>
</style>
